(.gitignore): remove obsolete rules
(.gitignore): remove obsolete rules

Remove obsolete .min.css/js exclusions since we no longer use Juicer
and minify via custom script, all the minified output from Vite goes
into `web/build/dist/` currently, which is already ignored.

Then we can add yui2-bundle.min.js which we currently still need.

fabd/kanji-koohii,fabd/kanji-koohii,fabd/kanji-koohii,fabd/kanji-koohii,kanji-koohii/kanji-koohii,fabd/kanji-koohii,kanji-koohii/kanji-koohii,kanji-koohii/kanji-koohii,kanji-koohii/kanji-koohii,kanji-koohii/kanji-koohii,fabd/kanji-koohii